How "Likes" on Facebook builds a profile of your identity without consent

The Current

March 13, 2013

Season 2013,
Episode 300109707

22:00

There's a trove of personal information on social media sites that we are unwittingly sharing with anyone determined to track us. By using Facebook "Likes", researchers at Cambridge University were able to build astonishingly accurate and detailed profiles of people ... from their politics, to emotional stability, to their parents' marital status. Today, the sleuths on the trail of your digital footprint.